1 Aker Engineering Malaysia Sdn Bhd
2 MMC Oil & Gas Engineering Sdn Bhd
3 Protek Engineers
4 Ranhill Worley
5 Technip Energies (T.EN)
6 Blackstone E&C Sdn Bhd
7 Cekap Technical Services Sdn Bhd
8 Environmental Resources Management (M) Sdn Bhd
9 Enserv Sdn Bhd
10 Emerson Process Management (M) Sdn Bhd
11 Innovative Fluid Process Sdn Bhd
12 MECIP Global Engineers Sdn Bhd
13 Minconsult Sdn Bhd
14 Malaysia Marine & Heavy Engineering Sdn Bhd
15 Pegasus Asia Pacific Sdn Bhd
16 Peritus International Sdn Bhd
17 RNZ Integrated (M) Sdn Bhd
18 Synergy Oil & Gas Engineering Sdn Bhd
19 Toyo Engineering & Construction Sdn Bhd
20 Winmore Engineering Sdn Bhd
21 WEG South East Asia Sdn Bhd (Formerly known as Watt Euro-Drive (M) Sdn Bhd)
22 Water Engineering Technology Sdn Bhd
23 Fluor Daniel International (M) Sdn Bhd
24 Wood Group Engineering Sdn Bhd (Wood Group Mustang (M) Sdn Bhd & Foster Wheeler E&C (M) Sdn Bhd merged together)
25 IGL Services Sdn Bhd
26 Tanjung Offshore Services Sdn Bhd
27 Serba Dinamik Advance Engineering(Formerly known as Perunding ENRA Sdn Bhd)
28 Elektro Serve (M) Sdn Bhd
29 Maju Integrated Engineers Sdn Bhd
30 Tenbex Engineering Sdn Bhd